Portable water quality tester (WD-100) 191100-00 1 unit

It is small and lightweight, and has nine pre-set programs, including COD, and you can also create your own measurement programs. Dimensions (mm): 130 x 230 x 90 Standard measurement items: COD, total phosphorus, total nitrogen, ammonia/ammonia nitrogen Reagent brand: HACH Light source (measurement wavelength): LED (420/610nm) Measurement time: 3 seconds Number of measurement programs: Maximum 20 (9 standard + 11 user-defined) Number of data items that can be saved: Maximum 100 Size: 230 x 130 x 85 mm Weight: 500g Power supply: AC100-240V 50/60Hz, DC12V 1.0A or 1 x 9V battery (sold separately)